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An assisted-opening knife being opened. An assisted-opening knife is a type of folding knife which uses an internal mechanism to finish the opening of the blade once the user has partially opened it using a flipper or thumbstud attached to the blade. [1] When the knife is in the closed position, the blade is held in place by means of torsion ...
Some systems are somewhat between assisted opening and the normal thumb stud. CRKT knives designed by Harold "Kit" Carson often incorporate a "Carson Flipper", which is a small protrusion on the rear of the base of the blade such that it protrudes out the obverse side of the handle (when closed). By using an index finger and a very slight ...
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Ken Onion (born January 16, 1963) is an American custom knifemaker based in Kaneohe, Hawaii, United States who invented the "SpeedSafe" assisted opening mechanism for Kershaw Knives. [1] Ken Onion was the Premier Knife Designer for Kershaw Knives .
Gerber was the first knife company to collaborate with a custom knife maker when it collaborated with World War II knife maker David Murphy. [3] In 2010 Bear Grylls designed a line of Gerber survival knives, including the best selling Ultimate knife.
A folding switchblade. A switchblade (also known as switch knife, automatic knife, pushbutton knife, ejector knife, flick knife, gravity knife, flick blade, or spring knife) is a pocketknife with a sliding or pivoting blade contained in the handle which is extended automatically by a spring when a button, lever, or switch on the handle or bolster is activated.
Another prominent feature of many folding knives is the opening mechanism. Traditional pocket knives and Swiss Army knives commonly employ the nail nick, while modern folding knives more often use a stud, hole, disk, or flipper located on the blade, all of which have the benefit of allowing the user to open the knife with one hand.
The LST was the first knife to feature injection molded Zytel handles and featured a total of six parts. His next design was an assisted opening knife called the Strut and Cut; the design for which came from motorcycling. The Strut and Cut's opening mechanism was based on his Ducati's single strut which enables the knife to open and close ...